fix(memory): align QAT default docs/tests (#15429) (thanks @azade-c)

src/memory/embeddings.test.ts

@@ -313,6 +313,7 @@ describe("local embedding normalization", () => {
 
   it("normalizes local embeddings to magnitude ~1.0", async () => {
     const unnormalizedVector = [2.35, 3.45, 0.63, 4.3, 1.2, 5.1, 2.8, 3.9];
+    const resolveModelFileMock = vi.fn(async () => "/fake/model.gguf");
 
     importNodeLlamaCppMock.mockResolvedValue({
       getLlama: async () => ({
@@ -324,7 +325,7 @@ describe("local embedding normalization", () => {
           }),
         }),
       }),
-      resolveModelFile: async () => "/fake/model.gguf",
+      resolveModelFile: resolveModelFileMock,
       LlamaLogLevel: { error: 0 },
     });
 
@@ -340,6 +341,10 @@ describe("local embedding normalization", () => {
     const magnitude = Math.sqrt(embedding.reduce((sum, x) => sum + x * x, 0));
 
     expect(magnitude).toBeCloseTo(1.0, 5);
+    expect(resolveModelFileMock).toHaveBeenCalledWith(
+      "hf:ggml-org/embeddinggemma-300m-qat-q8_0-GGUF/embeddinggemma-300m-qat-Q8_0.gguf",
+      undefined,
+    );
   });
 
   it("handles zero vector without division by zero", async () => {